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1L26 1420 Carmarthen to London Paddington
Departing on 9th December 2025

operated by
Great Western Railway
5 coaches
Carmarthen - Swansea
800025
10 coaches
Swansea - London Paddington
800025
800022
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
Carmarthen [CMN]
Pathed as Class 80x on diesel at 125mph
1
1420
1420
1420
U1
Carmarthen Jn [XCI]
pass
1422
pass
1422
UU
Ferryside [FYS]
pass
1430½
No report
Kidwelly [KWL]
pass
1434
No report
Kidwelly Junction
pass
1434½
No report
Pembrey & Burry Port [PBY]
1439
1440
1439
1440½
No report
Llanelli [LLE]
2
1447
1448
1446½
1448
1445¾
1447½
Llandeilo Jn
pass
1450½
pass
1450
Duffryn West
pass
1451
pass
1450½
Gowerton [GWN]
2
pass
1454½
pass
1453
-1
Cockett West
1
pass
1456
pass
1454¾
-1
Swansea Loop West
pass
1500
pass
1458
-1
UM
USL
Swansea Loop East
pass
1502
pass
1500
-2
USL
USM
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1505
1522
1504½
1522
1502¼
1521½
USM
USM
Swansea Loop East
pass
1523½
pass
1523¼
Landore Junction
pass
1524½
pass
1524½
USM
UM
Llansamlet [LAS]
2
pass
1527½
pass
1527½
Skewen [SKE]
2
pass
1529½
pass
1529¾
Neath [NTH]
2
1533
1534
1532½
1534
1532½
1534
Briton Ferry West Jn
pass
1536½
pass
1537
Port Talbot Parkway [PTA]
2
1540
1541
1540
1541½
1540¾
1542½
+1
Port Talbot East
pass
1542½
No report
Margam Middle Jn
pass
1543½
pass
1544
Margam East Jn
pass
1544½
pass
1545½
+1
Margam Moors Jn.
pass
1545½
pass
1547
+1
UM
Pyle [PYL]
2
pass
1547
pass
1548½
+1
Stormy
pass
1548½
pass
1550½
+2
At platform
Bridgend [BGN]
2
1553
1554
1552½
1554
1554½
1556
+2
UM
UM
Tremains
pass
1555
pass
1558¼
+3
Pencoed Up Passenger Loop
pass
1557½
No report
Pencoed [PCD]
2
pass
1558
pass
1600½
+2
Llanharan [LLR]
1
pass
1600
pass
1602½
+2
Llantrisant [LTI]
pass
1601½
No report
Pontyclun [PYC]
1
2
pass
1602
pass
1604½
+2
Miskin
pass
1604
pass
1606½
+2
St Fagans L C
pass
1608½
pass
1610½
+2
Leckwith North Jn
pass
1611
pass
1612¾
+1
UM
C
Cardiff West
pass
1613½
No report
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1614
1621
1614½
1621
1616
1621
C
B
Cardiff East
pass
1621½
pass
1622¼
Long Dyke Jn
pass
1623
pass
1623¼
B
UM
Moorland Road Junction
pass
1623½
pass
1624
Pengam Jn
pass
1624
pass
1624¼
Rumney River Bridge Jn
pass
1624
pass
1624¾
Marshfield
pass
1627
pass
1627¼
Ebbw Jn
1
pass
1629½
pass
1630
UM
UM
Gaer Jn
pass
1631
pass
1630½
UM
Newport (South Wales) [NWP]
3
1633
1635
1633
1635
1633¼
1635¼
UM
UM
Maindee West Jn
pass
1636
pass
1658½
+22
Maindee East Jn
pass
1636½
pass
1659
+22
East Usk Jn.
pass
1637
pass
1700
+23
Llanwern West Jn
pass
1638
pass
1701
+23
Magor
pass
1642
pass
1703¾
+22
Severn Tunnel Junction [STJ]
4
pass
1643½
pass
1706¾
+23
UM
UT
Severn Tunnel West
pass
1644½
pass
1707½
+23
Severn Tunnel East
pass
1648
pass
1711¼
+23
Pilning [PIL]
1
1
pass
1649
pass
1712½
+23
Patchway [PWY]
1
pass
1652½
pass
1715¼
+22
Bristol Parkway [BPW]
3
1654
1655
1654
1655½
1717½
1719
+23
UT
UB
Westerleigh Jn
pass
1659
pass
1723
+24
Chipping Sodbury
pass
1700½
pass
1724¾
+24
Badminton
pass
1702½
pass
1727
+24
Hullavington
pass
1705½
pass
1729½
+24
Little Somerford
pass
1708
pass
1732½
+24
Wootton Bassett Jn
1
pass
1712
pass
1736¼
+24
UB
UM
Swindon [SWI]
1
1718
1719
1717½
1719½
1744½
1746½
+27
UR
UM
Highworth Jn
pass
1720½
pass
1748¾
+28
Swindon Stratton Green
pass
1721
pass
1749¼
+28
Swindon South Marston Jn
pass
1721½
pass
1749¾
+28
Bourton
pass
1722½
pass
1751
+28
Uffington (Oxfordshire)
pass
1726
pass
1754
+28
Challow
pass
1727½
pass
1755
+27
Wantage Road
1
pass
1729
pass
1757½
+28
Steventon
pass
1731½
pass
1800½
+29
Milton Junction
pass
1732½
pass
1802¾
+30
Foxhall Jn [XJF]
pass
1733½
pass
1804½
+31
Didcot West End
pass
1734
No report
Didcot Parkway [DID]
2
1735
1736
1734½
1736
1806
1807½
+31
Didcot East Jn
pass
1736½
pass
1808¼
+31
Moreton Cutting
pass
1737½
pass
1809¼
+31
Cholsey [CHO]
2
pass
1739½
pass
1811
+31
Goring & Streatley [GOR]
1
2
pass
1741½
pass
1812¾
+31
ML
Pangbourne [PAN]
pass
1743½
pass
1814½
+30
Tilehurst [TLH]
2
pass
1745½
pass
1815¾
+30
Tilehurst East Jn.
pass
1746
pass
1816
+30
Reading High Level Jn
pass
1747
pass
1817½
+30
ML
Reading Main Line West
pass
1747½
pass
1818¼
+30
Reading [RDG]
11
1748
1750
1748½
1750½
1819¼
1821¼
+30
UM
UM
Reading Main Line East
pass
1751
pass
1822
+30
Kennet Bridge Jn
pass
1751½
pass
1822½
+31
Twyford West
pass
1754
pass
1824¾
+30
Twyford [TWY]
2
pass
1754½
pass
1825½
+31
ML
Ruscombe
pass
1755
pass
1826
+30
Maidenhead [MAI]
2
pass
1758
pass
1829
+31
Maidenhead East
pass
1758½
pass
1829
+30
Taplow [TAP]
2
pass
1759
pass
1829¾
+30
Burnham [BNM]
pass
1759½
pass
1830
+30
Slough West
pass
1800½
pass
1831
+30
Slough [SLO]
3
pass
1801
pass
1831¾
+30
Dolphin Jn
pass
1801½
pass
1832
+30
Langley [LNY]
2
pass
1802
pass
1832¾
+30
Iver [IVR]
2
pass
1803
pass
1833½
+30
West Drayton Jcn
pass
1803½
pass
1833¾
+30
West Drayton [WDT]
2
pass
1803½
pass
1834¼
+30
West Drayton East
pass
1803½
pass
1834¼
+30
Stockley Junction
pass
1804
pass
1834¼
+30
ML
ML
Heathrow Airport Jn
pass
1804½
pass
1834¾
+30
Hayes & Harlington [HAY]
2
pass
1804½
pass
1835
+30
Southall West Jn
pass
1805
pass
1835½
+30
Southall [STL]
2
pass
1805½
pass
1835½
+30
ML
Southall East Jn
pass
1805½
pass
1835¾
+30
Hanwell [HAN]
1
pass
1806
pass
1836¾
+30
West Ealing Junction
pass
1806½
pass
1837
+30
West Ealing [WEA]
pass
1806½
pass
1837¼
+30
Ealing Broadway [EAL]
2
pass
1806½
pass
1837¾
+31
Acton West
1
pass
1807
pass
1838
+31
ML
ML
Acton Main Line [AML]
2
pass
1808
pass
1838½
+30
Friars Jn
pass
1808½
No report
Old Oak Common West
pass
1809
pass
1839¼
+30
Old Oak Common East
pass
1809½
pass
1840
+30
Ladbroke Grove
pass
1810½
pass
1841
+30
UM
3
Portobello Jn (London)
pass
1811
pass
1841¾
+30
Royal Oak Junction
pass
1812
pass
1843¼
+31
London Paddington [PAD]
5
1813
1813
1845½
+32
3
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